Vulnerability Description
Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.29 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://secunia.com/advisories/34977Broken Link
- http://secunia.com/advisories/35120Broken Link
- http://wiki.rpath.com/Advisories:rPSA-2009-0084Broken Link
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4Broken Link
- http://www.openwall.com/lists/oss-security/2009/05/04/2Mailing ListThird Party Advisory
- http://www.osvdb.org/54188Broken Link
- http://www.securityfocus.com/archive/1/503610/100/0/threadedThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/34799Third Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2009/1236Not Applicable
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50293Third Party AdvisoryVDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://secunia.com/advisories/34977Broken Link
- http://secunia.com/advisories/35120Broken Link
- http://wiki.rpath.com/Advisories:rPSA-2009-0084Broken Link
FAQ
What is CVE-2009-1527?
CVE-2009-1527 is a vulnerability with a CVSS score of 6.9 (MEDIUM). Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call t...
How severe is CVE-2009-1527?
CVE-2009-1527 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1527?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.